diff --git a/plugins/dynamix/nchan/update_3 b/plugins/dynamix/nchan/update_3
index 7fe1506c6..57334fbb7 100755
--- a/plugins/dynamix/nchan/update_3
+++ b/plugins/dynamix/nchan/update_3
@@ -29,11 +29,15 @@ function ports() {
   return $ports;
 }
 
+function port_get_contents($port) {
+  return file_exists($port) ? @file_get_contents($port) : 0;
+}
+
 // initialize variables
 $time0 = $time = microtime(true);
 foreach (ports() as $port) {
-  $data[$port]['rx'] = (float)file_get_contents("$net/$port/statistics/rx_bytes");
-  $data[$port]['tx'] = (float)file_get_contents("$net/$port/statistics/tx_bytes");
+  $data[$port]['rx'] = (float)port_get_contents("$net/$port/statistics/rx_bytes");
+  $data[$port]['tx'] = (float)port_get_contents("$net/$port/statistics/tx_bytes");
 }
 // loop
 while (true) {
@@ -41,8 +45,8 @@ while (true) {
   $ts = $time - $time0;
   foreach (ports() as $port) {
     // inbound + outbound speed
-    $rx = (float)file_get_contents("$net/$port/statistics/rx_bytes");
-    $tx = (float)file_get_contents("$net/$port/statistics/tx_bytes");
+    $rx = (float)port_get_contents("$net/$port/statistics/rx_bytes");
+    $tx = (float)port_get_contents("$net/$port/statistics/tx_bytes");
     if ($ts > 0) {
       $rxd = ($rx-$data[$port]['rx']??0)/$ts*8;
       $txd = ($tx-$data[$port]['tx']??0)/$ts*8;
@@ -57,40 +61,35 @@ while (true) {
     $data[$port]['tx'] = $tx;
     $echo[] = "$port\0$rx_speed\0$tx_speed\0$rxd\0$txd";
     // interface general information
-    $mtu = file_get_contents("$net/$port/mtu");
-    $link = file_get_contents("$net/$port/carrier")==1;
+    $mtu = port_get_contents("$net/$port/mtu");
+    $link = true; //port_get_contents("$net/$port/carrier")==1;
     if (substr($port,0,4)=='bond') {
       if ($link) {
-        $bond_mode = str_replace('Bonding Mode: ','',file("/proc/net/bonding/$port",FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES)[1]);
+        $bond_mode = file_exists("/proc/net/bonding/$port") ? str_replace('Bonding Mode: ','',file("/proc/net/bonding/$port",FILE_IGNORE_NEW_LINES|FILE_SKIP_EMPTY_LINES)[1]) : '---';
         $mode[] = "$bond_mode, mtu $mtu";
       } else $mode[] = "bond down";
     } elseif ($port=='lo') {
       $mode[] = $link ? "loopback" : "not set";
     } else {
       if ($link) {
-        $speed = file_get_contents("$net/$port/speed");
-        $duplex = file_get_contents("$net/$port/duplex");
+        $speed = port_get_contents("$net/$port/speed");
+        $duplex = port_get_contents("$net/$port/duplex");
         $mode[] = "$speed Mbps, $duplex duplex, mtu $mtu";
       } else $mode[] = "interface down";
     }
     // interface counters
     $rxtx[] = "$rx\0$tx";
     // interface errors
-    $rx_errors = file_get_contents("$net/$port/statistics/rx_errors");
-    $rx_drops  = file_get_contents("$net/$port/statistics/rx_dropped");
-    $rx_fifo   = file_get_contents("$net/$port/statistics/rx_fifo_errors");
-    $tx_errors = file_get_contents("$net/$port/statistics/tx_errors");
-    $tx_drops  = file_get_contents("$net/$port/statistics/tx_dropped");
-    $tx_fifo   = file_get_contents("$net/$port/statistics/tx_fifo_errors");
+    $rx_errors = port_get_contents("$net/$port/statistics/rx_errors");
+    $rx_drops  = port_get_contents("$net/$port/statistics/rx_dropped");
+    $rx_fifo   = port_get_contents("$net/$port/statistics/rx_fifo_errors");
+    $tx_errors = port_get_contents("$net/$port/statistics/tx_errors");
+    $tx_drops  = port_get_contents("$net/$port/statistics/tx_dropped");
+    $tx_fifo   = port_get_contents("$net/$port/statistics/tx_fifo_errors");
     $stat[] = "Errors: {$rx_errors}<br>Drops: {$rx_drops}<br>Overruns: {$rx_fifo}\0Errors: {$tx_errors}<br>Drops: {$tx_drops}<br>Overruns: {$tx_fifo}";
   }
 
-  $echo = implode("\n",$echo);
-  $mode = implode("\0",$mode);
-  $rxtx = implode("\0",$rxtx);
-  $stat = implode("\0",$stat);
-
-  publish('update3',"$echo\1$mode\1$rxtx\1$stat");
+  publish('update3',implode("\n",$echo)."\1".implode("\0",$mode)."\1".implode("\0",$rxtx)."\1".implode("\0",$stat));
   $time0 = $time;
   sleep(1);
   $time = microtime(true);